/* 头部 */
.div1{
    width: 100%;
    height: 100px;
    background-color: teal;
    position: fixed;
    z-index: 1000;
}
/* 辛巴克管理系统 */
.span1{
    margin-top: 30px;
    font-size: 25px;
    margin-left: 30px;
    color: honeydew;
}
/* 管理系统 */
.div2{
    position: absolute;
    top: 100px;
    width: 100%;
    height:900px;
}
.div3 {
    background-color: #fff;
    border-radius: 5px;
    margin:10px;
    height: 100%;
}
.div4{
    position: relative;
}
.btus{
    padding-top: 10px;
    padding-left: 10px;

}

/* 左边框 */
.left{
    position: fixed;
    width: 20%;
    height: 100%;
    float: left;
    background-color: #ffffff;
}
.left ul{
    list-style: none;
    text-align: center;
    margin-left: -40px;
    margin-top: 0px;
}
.left ul>li{ 
    
    line-height:50px ;
    border-bottom: 1px solid black;
    position: relative;
}
.left ul>li>a{
    text-decoration:none;
    color: black;
}
/* 右边框 */
.right{
    width:80%;
    height:100%;
    float: right;
    background-color: #cccccc;
}

.table {
	width: 100%;
    margin-top: 10px;
    margin-left: 0;
	border-collapse: collapse;
}
.table thead {
	text-align: center;
}

.table td {
	border: 1px solid #ededed;
	line-height: 35px;
    text-align: center;
}

.btn1 {
    margin: 7px;
	display: inline-block;
	padding: 5px 5px;
	border: 1px solid #ededed;
	cursor: pointer;
	border-radius: 3px;
}
.modal{
    display: none;
    position: absolute;
    top: 200px;
    left: 400px;
}
.table{
    border: 1px solid black;
}
.btn {
	display: inline-block;
	padding: .5em 1em;
	border: 1px solid #ededed;
	cursor: pointer;
	border-radius: 3px;
}

.btn:hover {
	box-shadow: 0 0 5px #ededed;
}
.table>tbody:nth-child(odd){
    background-color: #cccccc;
}
